448509373547 has 2 divisors, whose sum is σ = 448509373548. Its totient is φ = 448509373546.

The previous prime is 448509373531. The next prime is 448509373549. The reversal of 448509373547 is 745373905844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 448509373547 - 2⁴ = 448509373531 is a prime.

It is a super-2 number, since 2×448509373547² (a number of 24 digits) contains 22 as substring.

Together with 448509373549, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (448509373549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224254686773 + 224254686774.

It is an arithmetic number, because the mean of its divisors is an integer number (224254686774).

Almost surely, 2^448509373547 is an apocalyptic number.

448509373547 is a deficient number, since it is larger than the sum of its proper divisors (1).

448509373547 is an equidigital number, since it uses as much as digits as its factorization.

448509373547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50803200, while the sum is 59.

The spelling of 448509373547 in words is "four hundred forty-eight billion, five hundred nine million, three hundred seventy-three thousand, five hundred forty-seven".